package day013.package_class;

public class Test02 {
    public static void main(String[] args) {
        String str1 = "123";
        int num1 = Integer.parseInt(str1);
        System.out.println(num1);

        String str2 = "100.123";
        double num2 = Double.parseDouble(str2);
        System.out.println(num2);
    }
}
